#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>

int main() {
  int res = utimensat(AT_FDCWD, "/bin/about.elf", NULL, 0);
  printf("utimensat res = %d\n", res);
}